| NGC 6863 | |
|---|---|
| Observation data (J2000 epoch) | |
| Right ascension | 20 05 07.3 |
| Declination | −03° 33′ 16″ |
| Physical characteristics | |
| Associations | |
| Constellation | Aquila |
| See also: Open cluster, List of open clusters | |
NGC 6863 is an asterism in the constellation Aquila. The celestial object was found on July 25, 1827, by the British astronomer John Herschel.
In 2009 an astronomical study by Bidin et al. concluded that whereas the small group of stars in Aquila had been classified as an OCR (Open Cluster Remnant i.e. the dispersed remains of a group of physically related stars) they were in fact an asterism, a group of unrelated stellar bodies.
See also
External links
References
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-04-03.
- Christian Moni Bidin; Raul de la Fuente Marcos; Carlos de la Fuente Marcos; Carraro, Giovanni (2009). "Not an open cluster after all: The NGC 6863 asterism in Aquila". Astronomy and Astrophysics. 510: A44. arXiv:0912.0653. doi:10.1051/0004-6361/200912761. S2CID 56266253.
- "NGC 6863". sim-basic. Retrieved 2020-04-03.
- "Revised NGC Data for NGC 6863". spider.seds.org. Retrieved 2020-04-03.
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